Beta Male Provide. These are the guys who buy women all their drinks, shower them with compliments, drive them around, and are baffled when the females aren't sexually attracted to them. On the other hand, alpha males take care of the female's sexual needs.

Janet's BMP, Joe, keeps giving her flowers, taking her to movies, and is always telling her how intelligent and interesting she is to gain her approval. What Joe doesn't know is she really loves Jake, the bad boy jerk who fulfills all her sexual desires.

Many will beleive that it is something Microsoft use to force PDF files into their folder, but no.
It means Big Man's Penis - do not associate with Wade from GTA 5, as he states at his cousin's house (When Trevor overhears them talking about him) he hasn't a very large penis.

"How's your BMP?"
"Ok, how's yours?"
"A bit slow. Too many files for the folders."
"Hmm. Mine has had a lot of action too recently."
"Really? What type of file?"
"The one on yo mamma!"